Bushing on shaft under mechanical advance?

Unless you want to play machinist, you are done with that dist. You "used to" be able to buy dist. bushing kits and they used to be cheap, but you needed a special burnishing tool to install them. Before I went to a hemi dual point and later in life went to breakerless, I used to keep about 3 of those kits in the trunk. Hell back in the day, they were about 3-5 bucks at the dealer. If I'd known they'd become extinct, I'd 'a bought a buuilliouuun of 'em as Carl Sagon woul'ha said

Here's an excerpt from the '69 shop manual